package com.zyf.chapter01.principle.SOLID.OCP;

/**
 * @author yifeng
 */
public interface NotificationEmergencyLevel {
    /**
     * 无关紧要
     */
    int TRIVIAL = 0;
    /**
     * 普通
     */
    int NORMAL = 1;
    /**
     * 紧急
     */
    int URGENCY = 2;
    /**
     * 严重
     */
    int SEVERE = 3;
}
